19890368

素因数分解:

$2^6\times {\mathrm{167}}^1\times {\mathrm{1861}}^1$

素因数の和:2040

約数の個数: 28

約数和(自身を含む): 39727632

約数和(自身を除く): 19837264

約数列:

[1, 2, 4, 8, 16, 32, 64, 167, 334, 668, 1336, 1861, 2672, 3722, 5344, 7444, 10688, 14888, 29776, 59552, 119104, 310787, 621574, 1243148, 2486296, 4972592, 9945184, 19890368]

約数ペア:

[(1, 19890368), (2, 9945184), (4, 4972592), (8, 2486296), (16, 1243148), (32, 621574), (64, 310787), (167, 119104), (334, 59552), (668, 29776), (1336, 14888), (1861, 10688), (2672, 7444), (3722, 5344)]